304432222 has 4 divisors (see below), whose sum is σ = 456648336. Its totient is φ = 152216110.

The previous prime is 304432213. The next prime is 304432229. The reversal of 304432222 is 222234403.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 304432193 and 304432202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304432229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76108054 + ... + 76108057.

It is an arithmetic number, because the mean of its divisors is an integer number (114162084).

Almost surely, 2^304432222 is an apocalyptic number.

304432222 is a deficient number, since it is larger than the sum of its proper divisors (152216114).

304432222 is a wasteful number, since it uses less digits than its factorization.

304432222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152216113.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 304432222 is about 17447.9861875232. The cubic root of 304432222 is about 672.7135970625.

Adding to 304432222 its reverse (222234403), we get a palindrome (526666625).

The spelling of 304432222 in words is "three hundred four million, four hundred thirty-two thousand, two hundred twenty-two".